Richards, J. C. (1997). Expanding tactics for listening: Teacher's book. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Richards, Jack C. Expanding Tactics for Listening: Teacher's Book. Oxford: Oxford Univ. Press, 1997.
MLA引用形式Richards, Jack C. Expanding Tactics for Listening: Teacher's Book. Oxford: Oxford Univ. Press, 1997.
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